Gemini-PDM16-mix-sm维修电路原理图.pdf

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1、Page 1 SERVICE MANUAL PDM-16 Stereo Preamp Mixer CONTENTS: Connections PMS 2X4(B) FLAT-HEAD MACHINE SCREW; FMS 2X4 (Y) PAN-HEAD MACHINE SCREW; PMS 2.6X4(B) BAND-HEAD MACHINE SCREW; BMS 3X2X4 BAND-HEAD TAPPING SCREW/TWIN SCREW; BTS-2 3X8(AB) TWIN FLAT-HEAD TAPPING SCREW; FTS-3 3X6(AB) BAND-HEAD TAPPI

2、NG SCREW; BTS-3 3X10(AB) BAND-HEAD TAPPING SCREW; BTS-3 3X6(AB) FLAT-HEAD TAPPING SCREW; FTS-3 3X12(AB) FLAT-HEAD TAPPING SCREW; FTS-3 3X12(Y) BAND-HEAD TAPPING SCREW; BTS-3 3X5(AB) BAND-HEAD TAPPING SCREW/TW-E; BTS-3/TW-E 3X6(AB) NUT/WASHER 3mm 262-044 262-045 262-047 262-046 262-048 262-049 PRINTE

3、D CIRCUIT BOARD PDM-24S-1: IN/OUT PRINTED CIRCUIT BOARD PDM-24S-2: MAIN PRINTED CIRCUIT BOARD PDM-18-3: EFFECT PRINTED CIRCUIT BOARD PDM-24S-4: FADER PRINTED CIRCUIT BOARD PDM-18-5: PHONES PRINTED CIRCUIT BOARD PDM-18-6 DescriptionPart # Printed Circuit Boards Item # 1 2 3 4 5 6 RadioFans.CN 收音机爱 好者

4、资料库 Page 6 Parts Lists - PCB1 Input/Output 079-027 079-003 081-027 092-078 161-105 161-106 RECTIFIER DIODE 1N4002 (1N4003,1N4004) SILICON DIODE 1N4148 SLIDE SWITCH 2P2C PH/LINE PHONE JACK 6.3 4P RCA JACK P=14mm 6P RCA JACK P=14mm D3-8, D507, D508 D1, D2 SW1-3 J1 J2-5 J6 DesignatorsDescriptionPart #

5、Electrical Parts Item # 1 2 3 4 5 6 076-095 076-104 TRANSISTOR 2SC2878 TRANSISTOR 2SA1048 (2SA1317) Q2-5 Q1 DesignatorsDescriptionPart # Transistors Item # 1 2 074-145 074-107 074-114 INTEGRATED CIRCUIT NJM2068LD INTEGRATED CIRCUIT NJM7812FA INTEGRATED CIRCUIT NJM7912FA IC1-4 IC6 IC7 DesignatorsDesc

6、riptionPart # ICs Item # 1 2 3 Parts Lists - PCB2 Main 082-019 082-028 083-069 083-097 072-035 072-107 072-081 071-101 071-159 080-091 080-079 080-080 080-078 LEVER SW 4P2C P=18 PH/LN,LN/LN ROTARY SWITCH 1-2-5 L=17 FAD ASSIGN PUSH SWITCH 2P2C L=12.5 CUE,MONO SWITCH 4P2C L=12.5 SLIDE VR 45mm L=20 CH

7、VOL MASTER 50KA2 SLIDE VR 30mm L=15 EQ 20KW C.C SLIDE VR 45mm L=20 FADER 100KB2 ROTARY VR 16f L=20 TREBLE,BASS 10KB C.C ROTARY VR 16f L=20 MIC LEVEL 10KA LIGHT EMITTING DIODE (RED) LIGHT EMITTING DIODE (GREEN) LIGHT EMITTING DIODE (YELLOW) LIGHT EMITTING DIODE (RED) SW4-7 SW9-10 SW12-15 SW8 VR1-4 VR

8、7-13 A1 VR14-15 VR5-6 Red 3.15 Green 2.5x6.5 Yellow 2.5x6.5 Red 2.5x6.5 DesignatorsDescriptionPart # Electrical Parts Item # 1 2 3 4 5 6 7 8 9 10 11 12 13 074-104 074-145 074-115 074-022 INTEGRATED CIRCUIT NJM4558LD(M5218AL,BA4558N) INTEGRATED CIRCUIT NJM2068LD INTEGRATED CIRCUIT M5229P INTEGRATED C

9、IRCUIT LB1403N IC11 IC8-10 IC12 IC13-16 DesignatorsDescriptionPart # ICs Item # 1 2 3 4 RadioFans.CN 收音机爱 好者资料库 Page 7 Parts Lists - PCB3 Phono 080-091 ZENER DIODE 3.6V 1/2W LIGHT EMITTING DIODE (RED) 3.15f D37 D10, D36, D40 DesignatorsDescriptionPart # Diodes Item # 1 2 092-078 083-069 083-097 072-

10、035 072-107 071-084 071-066 071-161 071-178 071-176 PHONE JACK 6.3f PUSH SWITCH 2P2C L=12.5 CUE,MONO PUSH SWITCH 4P2C L=12.5 EQ SLIDE VR 45mm L=20 CH VOL MASTER 50KA2 SLIDE VR 30mm L=15 EQ 20KW C.C ROTARY VR 16f L=20 CUE LEVEL 50KA2 ROTARY VR 16f L=20 VOLUME 50KA ROTARY VR 16f L=20 BOOTH 10KA2 ROTAR

11、Y VR 16f L=20 CUE PGM 20KW2 ROTARY VR 16f L=20 SPEED 250KB2CC J10 SW20 SW22 VR30 VR20-26 VR17 VR16 VR31 VR32 VR27 DesignatorsDescriptionPart # Electrical Parts Item # 1 2 3 4 5 6 7 8 9 10 074-104 074-113 074-145 074-115 074-141 074-140 INTEGRATED CIRCUIT NJM4558LD(M5218AL,BA4558N) INTEGRATED CIRCUIT

12、 NJM4556L INTEGRATED CIRCUIT NJM2068LD INTEGRATED CIRCUIT M5229P INTEGRATED CIRCUIT VM8080 INTEGRATED CIRCUIT GEMNI-01 IC18-20 IC26 IC25 IC17 IC21 IC22 DesignatorsDescriptionPart # ICs Item # 1 2 3 4 5 6 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库

13、+12 -12 X30 +12 -12 +12 -12 ML RL RR BL BR ML MR X31 X29 X32 +12 R246 12K R225 10R226 10 IC25A 2068LD C219 101 C157 10/16 C173 22/16 C174 22/16 +12 C158 100/16 C159 100/16 IC25B 2068LD C220101 R247 12K C160 10/16 R252 4K7 R253 4K7 R254 10K R255 10K R212 10K R213 10K R256 7K5 R257 7K5 R201 4K7 D10 LE

14、D +12 -12 R193 1K R194 1K R203 4K7 D36 LED -12 VR30A 50KA VR30B 50KA IC19A 4558 IC19B 4558 R185 100K R186 100K R258 6K8 R218 1K3 R259 6K8 R219 1K3 C161 10/16 C162 10/16 C175 22/16 C176 22/16 C183 47 C184 47 R227 10R228 10 +12 -12 VR31A 10KA VR31B 10KA IC20A 4558 IC20B 4558 R187 47K R189 47K R204 4K7

15、 R195 1K R205 4K7 R196 1K C163 10/16 C164 10/16 C177 22/16 C178 22/16 C185 47 C186 47 R229 10R230 10 +12 -12 SW20A SW02 SW20B SW02 SW22A SW04 SW22B SW04 SW22C SW04 RLRR MR BR BL MRMR MLML RL RR D40 LED R199 4K7 +12 R207 36K R208 10K R209 10K R210 36K R121 100K R130 100K C189 332 C208 222 C190 153 C2

16、10 47 R131 100K R132 100K R240 180K R179 100K R211 18K IC18A 4558 IC18B 4558 C202 1/16 C215 100/16 C91 47/16 BIAS 1 IN 2 PREO 3 OUT 4 SEL 5 OSC1 6 OSC2 7 OSC3 8 OSC4 9 VSS 10 A6 11 A7 12 VDD 24 CASB 23 A8 22 DATA 21 WRB 20 RASB 19 A0 18 A1 17 A2 16 A3 15 A4 14 A5 13 IC23 HT8955 C182 681 C216123 C209

17、 472 R180 100K R181 100K R102 47 R107 47 C211 331 C155 10/16 C120 47/16 +12 -12 VR18 10KB VR19 10KB VR29 500KB R244 180K R245 330/0.5 R224 10 R2358K2 A0 5 A1 7 A2 6 A3 12 A4 11 A5 10 A6 13 A7 9 A8 1 RAS 4 CAS 15 WE 3 Q 14 D 2 VCC 8 GND 16 IC24 41256 D38 5V C217 104 C156 10/16 +12 R202 4K7 D35 LED -1

18、2 R184 100K SW21A SW02 SW21B SW02 R217 100K X27 13 12 11 109 8 7 6 2 KEY1 KEY2 KEY3 KEY4 KEY5 KEY6 KEY7 KEY8 VDD 3 17 18 16 14 154 5 1 VSS NC1 NC2 NC3 LH OSC1 OSC2 OUT OUT IC21 VM8080 2 3 4 5 6 7 8 9 10 1 12 13 14 15 16 17 18 19 20 11 OSC1 OSC2TG1 TG2 TG3 TG4 TG5 TG6 TG7 TG8 VSSVDD AUD IND1 IND2 IC2

19、2 HT-82200 R190 1K R191 1K R236 47K R237 10K R238 300K R239 47K R192 3K3 VR27A 250KB VR27B 250KB C200 1/16 C201 1/16 D37 3.6V C206 153 C207 4.7/16 +5 R197 1K -VCC 20 GND 19 +VCC 18 OUT 17 N INP 16 P INP 15 NF7 14 IN7 13 NF6 12 IN6 11 NF1 2 IN1 1 IN2 3 NF2 4 IN3 5 NF3 6 IN4 7 NF4 8 IN5 9 NF5 10 IC17

20、M5229P R222 10R223 10 R233 3K3 R234 3K3 C187 471 C195 124 C198 393 C194 123 C193 682 C192 272 C191 821 C203 124 C196 563 C197 183 C179 822 C188 471 C171 22/16 C172 22/16 C153 10/16 C204 2.2/16 C199 1/16 C205 0,47/16 C154 10/16 -12 +12 R216 10K VR20 20KW VR21 20KW VR22 20KW VR23 20KW VR24 20KW VR25 2

21、0KW VR26 20KW VR32A 20KW VR32B 20KW R214 10K R242 33K R215 10K R243 33K R248 18K R249 18K R250 18K R251 18K VR17A 50KA VR17B 50KA IC26A 4556 IC26B 4556 R182 100K R183 100K R220 1K R260 68K R221 1K C165 10/16 C166 10/16 C180 470/16 C181 470/16 C22139 C222 39 R231 10R232 10 +12C167 10/16 C168 10/16 R1

22、08 47 R120 47 C213 222 C214 222 X26 R261 68K 1 2 X28 C169 10/16 C170 10/16 -12 C218 104 R133 1K VR16 50KA C212 682 X44 MONO MASTER BOOTH EQUALIZER ECHO LEVELREPEAT DELAY LEVEL SPEED CUEPGM CUE LEVEL SW23 SW-PB SW24 SW-PB SW25 SW-PB SW26 SW-PB SW27 SW-PB SW28 SW-PB 1 2 3J10 PHONEJACK2 1 2 3 X34 IC1A

23、2068LD IC1B 2068LD R7 47 R1 1K 1% R3 1K 1% R4 30K 1% R5 47 R9 30K 1% R2 30K 1%C1 101 C11 101 C7 101 C5 101 C6 47/16 C3 10/16 C2 22/16 C4 10/16 C8 47/16 X1 C10 10/16 C9 10/16 C12 22/16 R10 1K 1% R8 1K 1% R6 30K 1% J1 -12 +12 +12 -12 2 3 1 48 IC2A 2068LD IC2B 2068LD R22 100K R19 47R12 47 R20 8K2 R2318

24、0 R18 47K R17 8K2 R13 47K R11 180 R15 100K C24 822 C22 101 C26 273 C15 101 C16 273 C20 822 C21 47/16 C13 47/16 C14 47/16 C18 47/16 C23 10/16 C17 10/16 R21 1K R16 1K R26 1K8 R25 1K8 C28 101 C29 101 C25 10/16 C30 10/16 C19 10/16 C27 10/16 +12 -12 IC3A 2068LD IC3B 2068LD R38 100K R35 47R28 47 R36 8K2 R

25、39180 R34 47K R33 8K2 R29 47K R27 180 R31 100K C41 822 C42 101 C44 273 C33 101 C34 273 C38 822 C39 47/16 C31 47/16 C32 47/16 C35 47/16 C40 10/16 C36 10/16 R37 1K R32 1L R42 1K8 R41 1K8 C46 101 C47 101 C43 10/16 C48 10/16 C37 10/16 C45 10/16 +12 -12 IC4A 2068LD IC4B 2068LD R53 100K R51 47R44 47 R52 8

26、K2 R55180 R50 47K R49 8K2 R45 47K R43 180 R47 100K C60 822 C58 101 C62 273 C51 101 C53 273 C56 822 C57 47/16 C49 47/16 C50 47/16 C54 47/16 C59 10/16 C52 10/16 R54 1K R48 1K R58 1K8 R57 1K8 C64 101 C65 101 C61 10/16 C66 10/16 C55 10/16 C63 10/16 R24 1K8 R14 1K8 R30 1K8 R40 1K8 R56 1K8 R46 1K8 X2 X3 X

27、4 X5 X6 R60 1K8 R59 1K8 C69 101 C68 101 C70 10/16 C67 10/16 R62 1K8 R61 1K8 C72 101 C73 101 C74 10/16 C71 10/16 R78 180 R81 47K R79 330 R775K1 R84 180 R80 330 R83 5K1 C82 22/16 C81 22/16 R82 47K Q42SC2878 Q52SC2878 R70 180 R72 47K R71 330 R69 5K1 R76 180 R73 330 R75 5K1 C80 22/16 C79 22/16 R74 47K Q

28、22SC2878 Q32SC2878 R65 47K R67 47K R63 8K2 R68 8K2 C76 10/16 C77 10/16 D3 1N4002 D5 1N4002 D6 1N4002 D4 1N4002 C89 470/25 C90 470/25 C87 103 C88 103 C84 4,7/16 C85 4,7/16 -12 -12 +12 Vin 1 GND 2 +12V 3 IC67812 Vin 2 GND 1 -12V 3 IC7 7912 Q1 2SA1317 R66 560K D2 1N4148 D1 1N4148 C75 220/16 C78 4,7/16

29、+12 SW1A SW1B SW2A SW2B SW3A SW3B J2A J2B J3A J3B J4A J4B J5A J5B J6A J6B J6C R64 1K 1 2 X12 D8 1N4002 D7 1N4002 C86 470/16 X7 X? D507 1N4002 D508 1N4002 1 2 3 4 5 X11 1 2 3 4 X8 R85 2M2 -12 MIC-2 PH1; L1 PH1/L1 L2 PH-2; L3 L4 PH-2/L3 PH-3/L5 PH-3; L5 L6 L7 L8 OUT REC. OUT BOOTH OUT AMP. +12 1 2 3 X

30、14 X15 11 12 10 SW4D 2 3 1 SW4A 5 6 4 SW4B 8 9 7 SW4C R85 47K R101 4K7 R86 47K R87 47K D9 LED +12 VR1A 50KA VR1B 50KA R88 47K VR5 10KA R110 10K R134 27K R135 22 R139 1K3 R136 22 R140 1K3 R109 1K8 R141 1K R111 10K IC8A 2068LD IC8B 2068LD C9247 C95 224 C97 223 C96 224 C98 223 C99 221 C100 10/16 C114 4

31、7/16 C115 47/16 C10147/16 -12 +12 R112 10K R113 10K R142 47K R143 47K R144 47K R145 47K R146 47K R147 47K R148 47K R149 47K -VCC 20 GND 19 +VCC 18 OUT 17 N INP 16 P INP 15 NF7 14 IN7 13 NF6 12 IN6 11 NF1 2 IN1 1 IN2 3 NF2 4 IN3 5 NF3 6 IN4 7 NF4 8 IN5 9 NF5 10 IC12 M5229P R150 10 R151 10 R155 3K3 R1

32、56 3K3 C125 471 C127 821 C128 272 C129 682 C130 123 C131 124 C126 124 C139 563 C138 183 C137 822 C135 393 C116 22/16 C102 10/16 C134 1/16 C133 2.2/16 C132 0.47/16 C103 10/16 -12+12 R157 100K R137 10 R138 10 IC9A 2068LD C140101 C144 22/16 C117 22/16 C118 22/16 -12 +12 R159 20K C104 47/16 C105 47/16 R

33、160 20K IC9B 2068LD C141 101 R158 100K SW8A SW8B SW8C C145 22/16 C146 22/16 SW9A SW9B SW10B SW10A R114 10K R115 10K C119 22/16 1 9 2 6 3 4 7 8 5 IC13 LB1403N 1 9 2 6 3 4 7 8 5 IC14 LB1403N 1 9 2 6 3 4 7 8 5 IC15 LB1403N 1 9 2 6 3 4 7 8 5 IC16 LB1403N D11 LED D12 LED D13 LED D14 LED D15 LED D16 LED D

34、17 LED D18 LED D19 LED D20 LED D21 LED D22 LED D23 LED D24 LED D25 LED D26 LED D27 LED D28 LED D29 LED D30 LED R116 10K R161 100K R165 120K R167 160K R117 10K R169 8K2 R118 10K R162 100K R166 120K R168 160K R119 10K R170 8K2 R172 47 R173 47 R174 47 C106 10/16 C107 4.7/16 C108 10/16 C109 10/16 C110 4

35、.7/16 C111 10/16 R152 47 R175 47K R153 10 R154 10 IC10A 2068LD C14247 C147 22/16 C121 22/16 C122 22/16 -12 +12 C148 100/16 C149 100/16 IC10B 2068LD C14347 R176 47K C150 22/16 SW8D +12 -12 +12 -12 R122 10K VR7 20KW VR8 20KW VR9 20KW VR10 20KW VR11 20KW VR12 20KW VR14 10KB VR15 10KB VR13 20KW C136 471

36、 SW12A SW12B X16 11 12 10 SW5D 2 3 1 SW5A 5 6 4 SW5B 8 9 7 SW5C R89 47K R103 4K7 R90 47K R91 47K D31 LED +12 VR2A 50KA VR2B 50KA R92 47K R123 10K R124 10K SW13A SW13B X17 11 12 10 SW6D 2 3 1 SW6A 5 6 4 SW6B 8 9 7 SW6C R93 47K R104 4K7 R94 47K R95 47K D32 LED +12 VR3A 50KA VR3B 50KA R96 47K R125 10K

37、R126 10K SW14A SW14B X18 11 12 10 SW7D 2 3 1 SW7A 5 6 4 SW7B 8 9 7 SW7C R97 47K R105 4K7 R98 47K R99 47K D33 LED +12 VR4A 50KA VR4B 50KA R100 47K R127 10K R128 10K SW15A SW15B R106 4K7 D34 LED +12 R129 10K IC11A 4558 IC11B 4558 R177 27K R163 47K R164 47K R178 27K C151 22/16 C152 22/16 C112 10/16 C11

38、3 10/16 C93 47 C94 47 C123 22/16 R188 47 C124 22/16 +12 1L 1R 2L 2R 3L 3R 4L 4R 4R 3R 2R 1R 4L 3L 2L 1L 4R 3R 2R 1R 1L 2L 3L 4L +V INDGND +V INDGND VR6 10KA R171 47 +12 1 2 3 X19 1 2 3 X24 X23 +12-12 X20 X22 QUE QUE QUE QUE CH-1 CH-2 CH-3 CH-4 MIC-1 MIC-2 X-FAD. ASSIGN X-FAD. ASSIGN A B T.O ON OFF T.O. 1 2 X21 T1 TR05 1 2 X28 SW18 F SW19 SW-SPST C141 103 J7 PLUG J8 PLUG J9 LAMP AC 220/110 V SW X27 R87B100KB R87A 100KB CROSS FADER X30 PLUG06 059-166 Schematic RadioFans.CN 收音机爱 好者资料库